.banner{
  margin-bottom:2em;
}

.function{
  position: relative;
  border-top: 1px solid #bdbdbd;
  margin-bottom:2em;

  .title{
    background: #fff;
    text-align: center;
    color:#1c91dd;
    font-size:1.5em;
    position: relative;
    top:-.8em;
    z-index:110;
    width:30%;
    margin:0 auto;
  }

  .list{
    display: flex;
    justify-content: space-around;
    margin-bottom:2em;

    .item{
      width:23%;
      text-align: center;

      .thumb{
        width:80%;
        margin:0 auto;
        margin-bottom:.5em;
      }

      .desc{
        color:#000;
        font-size:1.1em;
      }
    }
  }

  .box{
    display: flex;
    flex-wrap: wrap;

    .back,.content{
      width:33.3%;
    }

    .content{
      background:#f5f5f5;
      padding:.5em 1em;

      .subject{
        color:#000;
        font-size:1.2em;
        margin-bottom:.5em;
      }

      .info{
        a{
          display: block;
          color:#666666;
        }
      }
    }
  }
}

.app{
  position: relative;
  border-top: 1px solid #bdbdbd;

  .title{
    background: #fff;
    text-align: center;
    color:#1c91dd;
    font-size:1.5em;
    position: relative;
    top:-.8em;
    z-index:110;
    width:50%;
    margin:0 auto;
  }

  .banner{
    position: relative;

    .banner_img:hover + .back{
      left:0;
    }
    
    .back{
      transition:all linear .3s;
      position: absolute;
      left:-100%;
      top:0;
      width:40%;
      height:100%;
      background:rgba(0,0,0, .5);
      padding:1em;
      color:#fff;

      .short{
        font-weight: bold;
        margin-bottom:.5em;
      }

      .taglist{
        .tag{
          display: inline-block;
          border:1px solid #fff;
          padding:.2em 1em;
          margin-bottom:.5em;
        }
      }
    }
  }
}